取得用户安装的应用程序

 1 private List<PackageInfo> packageInfos;
 2 private List<PackageInfo> userPackageInfos;
 3 
 4 
 5 packageInfos = getPackageManager().getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
 6         userPackageInfos = new ArrayList<PackageInfo>();
 7         for(int i=0; i<packageInfos.size();i++) {
 8             PackageInfo temp = packageInfos.get(i);
 9             ApplicationInfo appInfo = temp.applicationInfo;
10             if((appInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
11                 //updated system App
12                 userPackageInfos.add(temp);
13             }
14             else if((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) ==0) {
15                 // Non-system App
16                 userPackageInfos.add(temp);
17             }
18         }